This is an open access article under the terms of the Creative Commons Attributio   n-  NonCommerc    ial-  NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.© 2021 The Authors. Journal of Anatomy published by John Wiley & Sons Ltd on behalf of Anatomical Society
Except where otherwise noted, this item's license is described as This is an open access article under the terms of the Creative Commons Attributio n- NonCommerc ial- NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.© 2021 The Authors. Journal of Anatomy published by John Wiley & Sons Ltd on behalf of Anatomical Society